“Whoever is given food by Allah, let him say: Allahumma barik
lana
fihi wa arzuqna khairan minhu (O Allah, bless it for us and
provide
us with something better than it). And whoever is given milk
to drink
by Allah, let him say: Allahumma barik lana fihi wa zidna
minhu (O
Allah, bless it for us and give us more of it). For I do not
know of
any food or drink that suffices, apart from milk.”
Sunan Ibn Majah Book 29, Hadith 72